<template>
  <!-- 最外层的容器 -->
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio" @click="toggle">
      <radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
    </label>

    <!-- 合计区域 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{ checkedGoodsAmount }}</text>
    </view>

    <!-- 结算按钮 -->
    <view
      class="btn-settle"
      :style="{ backgroundColor: checkedCount > 0 ? '#c00000' : '#bdbdbd' }"
      @click="settlement"
      >结算({{ checkedCount }})</view
    >
  </view>
</template>

<script>
import { mapGetters, mapMutations } from 'vuex'
export default {
  data() {
    return {
      seconds:3,
      timer:null
    }
  },
  computed: {
    ...mapGetters('m_cart', [
      'total',
      'checkedCount',
      'checkedGoodsAmount',
      'getCart'
    ]),
    ...mapGetters('m_user', ['addstr', 'getToken']),
    // 2. 是否全选
    isFullCheck () {
      return this.total === this.checkedCount
    }
  },
  methods: {
    ...mapMutations('m_cart', ['updateAllGoodsState']),
    toggle () {
      // 修改购物车中所有商品的选中状态
      // !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
      this.updateAllGoodsState(!this.isFullCheck)
    },
    settlement(){
      if (!this.checkedCount) {
        uni.showToast({
          title:'请选择要结算的商品',
          icon:'none',
          duration:1000
        })
        return
      }
      if (!this.addstr) {
        uni.showToast({
          title:'请选择收货地址',
          icon:'none',
          duration:1000
        })
        return
      }
      if (!this.getToken) {
        this.delayNavigate()
        return
      }
    },
    showTips(n){
      uni.showToast({
        icon:'none',
        title:'请登陆后再结算！' + n + '秒后自动跳转到登录页',
        mask:true,
        duration:1500
      })
    },
    delayNavigate(){
      this.showTips(this.seconds)
      this.timer = setInterval(()=>{
        this.seconds--
        if (this.seconds<=0) {
          clearInterval(this.timer)
          this.seconds = 3
          uni.switchTab({
            url:'/pages/my/index',
            success:()=>{
              this.updateRedirectInfo({
                openType:'switchTab',
                from:'/pages/cart/index'
              })
            }
          })
          return
        }
        this.showTips(this.seconds)
      },1000)
    }
  }
}
</script>

<style lang="scss" scoped>
.my-settle-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  // 将背景色从 cyan 改为 white
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;

  .radio {
    display: flex;
    align-items: center;
  }

  .amount {
    color: #c00000;
  }

  .btn-settle {
    height: 50px;
    min-width: 100px;
    // background-color: #c00000;
    color: white;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>